Electronic, Quasiparticle, and Thermodynamic Properties of Titanium Dioxide and Its Related Materials: A Systematic First-principles studyElectronic, Quasiparticle, and Thermodynamic Properties of Titanium Dioxide and Its Related Materials: A Systematic First-principles studyElectronic, Quasiparticle, and Thermodynamic Properties of Titanium Dioxide and Its Related Materials: A Systematic First-principles study二酸化チタンおよびその関連物質の電子状態と熱力学的性質に関する第一原理に基づく研究